kernel/include/trace/events/hist.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM hist
   3
   4 #if !defined(_TRACE_HIST_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_HIST_H
   6
   7 #include "latency_hist.h"
   8 #include <linux/tracepoint.h>
   9
  10 #if !defined(CONFIG_PREEMPT_OFF_HIST) && !defined(CONFIG_INTERRUPT_OFF_HIST)
  11 #define trace_preemptirqsoff_hist(a, b)
  12 #define trace_preemptirqsoff_hist_rcuidle(a, b)
  13 #else
  14 TRACE_EVENT(preemptirqsoff_hist,
  15
  16         TP_PROTO(int reason, int starthist),
  17
  18         TP_ARGS(reason, starthist),
  19
  20         TP_STRUCT__entry(
  21                 __field(int,    reason)
  22                 __field(int,    starthist)
  23         ),
  24
  25         TP_fast_assign(
  26                 __entry->reason         = reason;
  27                 __entry->starthist      = starthist;
  28         ),
  29
  30         TP_printk("reason=%s starthist=%s", getaction(__entry->reason),
  31                   __entry->starthist ? "start" : "stop")
  32 );
  33 #endif
  34
  35 #ifndef CONFIG_MISSED_TIMER_OFFSETS_HIST
  36 #define trace_hrtimer_interrupt(a, b, c, d)
  37 #else
  38 TRACE_EVENT(hrtimer_interrupt,
  39
  40         TP_PROTO(int cpu, long long offset, struct task_struct *curr,
  41                 struct task_struct *task),
  42
  43         TP_ARGS(cpu, offset, curr, task),
  44
  45         TP_STRUCT__entry(
  46                 __field(int,            cpu)
  47                 __field(long long,      offset)
  48                 __array(char,           ccomm,  TASK_COMM_LEN)
  49                 __field(int,            cprio)
  50                 __array(char,           tcomm,  TASK_COMM_LEN)
  51                 __field(int,            tprio)
  52         ),
  53
  54         TP_fast_assign(
  55                 __entry->cpu    = cpu;
  56                 __entry->offset = offset;
  57                 memcpy(__entry->ccomm, curr->comm, TASK_COMM_LEN);
  58                 __entry->cprio  = curr->prio;
  59                 memcpy(__entry->tcomm, task != NULL ? task->comm : "<none>",
  60                         task != NULL ? TASK_COMM_LEN : 7);
  61                 __entry->tprio  = task != NULL ? task->prio : -1;
  62         ),
  63
  64         TP_printk("cpu=%d offset=%lld curr=%s[%d] thread=%s[%d]",
  65                 __entry->cpu, __entry->offset, __entry->ccomm,
  66                 __entry->cprio, __entry->tcomm, __entry->tprio)
  67 );
  68 #endif
  69
  70 #endif /* _TRACE_HIST_H */
  71
  72 /* This part must be outside protection */
  73 #include <trace/define_trace.h>